David Balmain wrote:
The start of my benchmarks are here:
http://ferret.davebalmain.com/trac/wiki/FerretVsLucene
Ferret looks fast! Nice work.
A big knee in indexing performance occurs when indexes get much larger
than memory, when merging requires a lot of disk i/o. In these cases
the algorithm can matter more than its implementation. (The
implementation only needs to be fast enough so that i/o dominates.)
Would you expect Ferret to perform markedly differently than Lucene Java
when updating, e.g., 50GB indexes on a machine with 512MB of RAM?
Lots of indexes are smaller than memory and their updates don't require
a lot of disk i/o. It's important to be fast in that case too, and your
benchmarks show Ferret doing quite well there.
Doug
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